851218088

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 2007244800

約数和(自身を除く): 1156026712

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 131, 133, 152, 197, 217, 248, 262, 266, 394, 434, 524, 532, 589, 788, 868, 917, 1048, 1064, 1178, 1379, 1576, 1736, 1834, 2356, 2489, 2758, 3668, 3743, 4061, 4123, 4712, 4978, 5516, 6107, 7336, 7486, 8122, 8246, 9956, 11032, 12214, 14972, 16244, 16492, 17423, 19912, 24428, 25807, 26201, 28427, 29944, 32488, 32984, 34846, 42749, 48856, 51614, 52402, 56854, 69692, 77159, 85498, 103228, 104804, 113708, 116033, 139384, 154318, 170996, 180649, 206456, 209608, 227416, 232066, 308636, 341992, 361298, 464132, 490333, 540113, 617272, 722596, 800017, 812231, 928264, 980666, 1080226, 1445192, 1600034, 1624462, 1961332, 2160452, 3200068, 3248924, 3432331, 3922664, 4320904, 5600119, 6400136, 6497848, 6864662, 11200238, 13729324, 15200323, 22400476, 27458648, 30400646, 44800952, 60801292, 106402261, 121602584, 212804522, 425609044, 851218088]

約数ペア:

[(1, 851218088), (2, 425609044), (4, 212804522), (7, 121602584), (8, 106402261), (14, 60801292), (19, 44800952), (28, 30400646), (31, 27458648), (38, 22400476), (56, 15200323), (62, 13729324), (76, 11200238), (124, 6864662), (131, 6497848), (133, 6400136), (152, 5600119), (197, 4320904), (217, 3922664), (248, 3432331), (262, 3248924), (266, 3200068), (394, 2160452), (434, 1961332), (524, 1624462), (532, 1600034), (589, 1445192), (788, 1080226), (868, 980666), (917, 928264), (1048, 812231), (1064, 800017), (1178, 722596), (1379, 617272), (1576, 540113), (1736, 490333), (1834, 464132), (2356, 361298), (2489, 341992), (2758, 308636), (3668, 232066), (3743, 227416), (4061, 209608), (4123, 206456), (4712, 180649), (4978, 170996), (5516, 154318), (6107, 139384), (7336, 116033), (7486, 113708), (8122, 104804), (8246, 103228), (9956, 85498), (11032, 77159), (12214, 69692), (14972, 56854), (16244, 52402), (16492, 51614), (17423, 48856), (19912, 42749), (24428, 34846), (25807, 32984), (26201, 32488), (28427, 29944)]